Delta VFD300C43S-HS User Manual page 193

9. Keypad Locked
Press to lock
10. PLC Function
Press Up/Down key to select a
PLC's function.
Then press ENTER.
NOTE
Limitation: The charging process of the super capacitor will finish in about 6
minutes. When the digital keypad is removed, the time setting will be in
standby status for 7 days. After this period, the time needs to be reset.
Keypad Locked
This function is used to lock the keypad. The main page would not display
"keypad locked" when the keypad is locked, however it will display the
message"please press ESC and then ENTER to unlock the keypad" when any
key is pressed.
When the keypad is locked, the main screen doesn't
display any status to show that.
Press any key on the keypad; a screen as shown in
image on the left will be displayed.
If ESC key is not pressed, the keypad will
automatically be back to this screen.
The keypad is still locked at this moment. By
pressing any key, a screen as shown in the image on
the left will still be displayed.
Press ESC for 3 seconds to unlock the keypad and
the keypad will be back to this screen. Then each key
on the keypad is functional.
After the above steps, the keypad will not be locked when turning off the
power and turning on the power again.
When the PLC function is activated or stopped, the PLC status will be
displayed on main page of Delta default setting.
Option 2: Enable PLC function
Factory setting on the main screen displays
PLC/RUN status bar.
Option 3: Disable PLC function
Factory setting on the main screen displays
PLC/STOP status bar
If the PLC program is not available in the control
board, PLFF warning will be displayed when
choosing option 2 or 3.
In this case, select option 1: No Function to clear
PLFF warning.
10-13
Chapter 10 Digital KeypadC2000-HS